A full-scale reconstruction of Ryue Nishizawa’s Moriyama House lays the foundation for a thoughtful, ambitious show at the Barbican, writes Peter Smisek. But the absence of metabolism is a structural weakness

The long-promised era of robotics may finally be upon us – the Science Museum’s vivid retelling of its past and present allows us to consider the implications for our society and for our humanity, writes Debika Ray